Hi there!
Euler's formula is F + V = E + 2. This means that the number of faces plus the number of verticies is equal to the number of edges plus two.
Hope this helps!! :)
<span>A. provided a precedent for international cooperation and justice for all war crimes</span>
Federalism: Federalism<span> is the system of government in which power is divided between a central government and regional governments</span>